Originally Posted by
Carzee
I have learnt over the last few years that birds reject the stuff with too much preservative-that-inhibits-mould (whatever that is). Magpies reject it. seems they don't like over processed stuff. eg, Maccas breakfast sausage-burger thingy. Crows will pick it up and fly it off a ways then abandon it when they peck it.
Staying fresh is up to the sugar content i think but supermarket long shelf life products like fruit loaf and infamous hot cross buns...definitely have a mould inhibit additive imho.